We had borrowed Flipper to our neighboring hacker space. As a renting fee they had to do some improvements. They added very nice RGB LED stripes. All attached with 3D printed clamps and holders. I am very pleased:

https://twitter.com/Hackzogtum/status/1053731086717587456

The lights even highlight the active bottle and could show empty or nearly empty bottles - assuming someone would finally fix the main software to do the accounting correctly...